# Rubicon vs Math Kingdom Adventures

The clearest difference is in-app purchases: Math Kingdom Adventures at none against Rubicon's 7. Math Kingdom Adventures also leads on ads (none vs shown). Rubicon's advantage is update cadence (every 2 days vs weekly) and iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Rubicon sells 7 one-off in-app purchases. Math Kingdom Adventures asks for nothing beyond the download.

Rubicon ships an update every 2 days, Math Kingdom Adventures weekly. The most recent releases landed on September 9, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Rubicon | Math Kingdom Adventures |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Weekly |
| Size | 698 MB | 57 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OneTwoPlay B.V.](https://appshunter.io/developer/1707024410) | [Alexis Haddad](https://appshunter.io/developer/1891138723) |

## What reviewers say

### Rubicon

[App page](https://appshunter.io/ios/app/rubicon-math-games/id6743382440)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 500 Gems | $4.99 | one-time |
| Battle Pass Premium | $4.99 | one-time |
| 1000 Gems | $9.99 | one-time |
| 1500 Gems | $14.99 | one-time |
| 2000 Gems | $19.99 | one-time |
| 2500 Gems | $24.99 | one-time |
| 3000 Gems | $29.99 | one-time |


### Math Kingdom Adventures

[App page](https://appshunter.io/ios/app/math-kingdom-adventures/id6780774629)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rubicon free?

Rubicon is free to download, with in-app purchases available.

### Is Math Kingdom Adventures free?

Math Kingdom Adventures is free to download, with no in-app purchases.

### Do Rubicon or Math Kingdom Adventures have ads?

Rubicon shows ads; Math Kingdom Adventures does not.

### Which is updated more often, Rubicon or Math Kingdom Adventures?

Rubicon ships an update every 2 days, and Math Kingdom Adventures weekly. Most recently, Rubicon was updated on September 9, 2026 and Math Kingdom Adventures on September 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*